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750Li

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Question
My vehicle is overheating and the overheating light comes on. What could that be?
Hi there. If the engine is overheating and the light is coming on, then either the engine is overheating from a faulty thermostat, water pump, or burned head gasket, or the coolant temperature sensor is not working properly. Check the...
Question
What is this clear fluid leaking from the front and rear of my 2007 750li?
Hi there. Check the fluid by putting a paper towel on the fluid and smelling it. If the fluid has no odor, then it is water or condensation and that would be normal. If the fluid has a strong odor...
Question
Radio goes off and on intermittently
Hello, thank you for writing in. With intermittent electrical issues, wiring problems are usually to blame. Both the power supply and the ground connection are required for the radio to function. If either of these is loose or has a...
Question
Had an oil Leak repaired. Then a tune up. Now there's a puddle leaking from my car. What happened?
The 750 is a great car, but when it gets some age and miles it can become pretty high maintenance. There is no way I can tell you what is leaking from here at my desk, the car will have...
Question
Driver window not rolling up
You have to perform the window initialization procedure when replacing components related to any of the windows. Follow this procedure from BMW. Control procedure for initialization: Press the window 'open' switch beyond the second switching position. The window may open...
Question
Idrive and TPI malfunction.
Hello. From what you describe it would appear that your vehicle is experiencing some sort of electrical issues. If the Idrive system is not working properly then it may be possible that the Idrive computer has failed, or possibly the...
Question
How much does it cost to replace the coolant lines and the upper/lower oil pan gasket?
Billing question sent to CS for the cost to replace the coolant hoses by the turbo and the engine oil pan gasket.
Question
Battery discharging while stopped, electrical devices were temporarily switched off.
The first thing to do with a draw is to check and make sure nothing is on that can be turned on by a human. Some common sources are interior lights, exterior lights, after market stereo systems or other after...
Question
Why does the the engine sound loud when you first start it up? Then it quiets, but as you drive you can still hear it on a Echo
Hi there. That is a very interesting situation you have with your BMW. To be honest, I've never seen tire valve stems cause any type of noise; especially under the conditions you're describing. It is possible that you may have...
Question
Hello Chris, Do you know how many Spark Plugs do I need to change on my 2008 BMW 750li?
This engine has eight cylinders with only one spark plug per cylinder. You have a total of eight spark plugs.
Question
Tune-up
Hi there. Today's modern cars, trucks and SUV's are much more complex than older vehicles. As such, there really isn't a general "tune-up" service. Instead, manufacturers have created recommended maintenance service, which is unique for each make, model and year....
Question
I think there is a leak and water is dripping? Can you fix water or oil leaks? Thanks.
Hi There, Yes, we can fix coolant and oil leaks. Generally, if you are noticing a water leak, this would be coming from the radiator, water pump or any of the radiator hoses around the motor that may be going...
Question
My 2007 bmw 750li, makes noise when I'm not pressing in the gas. The car indicated oil level was ok. What could causing the noise
Hi there. It really depends on what type of noise you are hearing that will determine what is causing the noise. If it's a constant ticking noise, it's possible your serpentine belt or the pulleys that drive that belt are...
Question
Valve guide seals 2006 BMW 750i
Hello - unfortunately, this is not a service YourMechanic.com can offer at this time. Thanks for thinking of us though!
Question
Pete, I need valve cover gaskets and timing cover gaskets replaced, I have the gaskets / kits for all. Price please? Thanks, David
Hi there. Typically when the timing cover gasket is replaced, the cover itself should be replaced as well. To receive an estimate for this service, and the valve cover gasket, please click this link and enter your vehicle information and...
Question
My car wouldn't start so I had a local mechanic come out and he said it was the starter. It still wont start. 2006 BMW 750
Hi there. It sounds like the vehicle was not fixed right the first time. Most of the time this is caused by a failure in the control relay or in the transmission position sensor. It an also be the ignition...
Question
Brake keep locking up while driving and coming to a stop and while in park.
The calipers could have a piston that is sticking or the combination valve on the brake system is sticking causing the brakes to be locking up after touching the brake pedal. I recommend seeking out a professional, such as one...
Question
I have a coolant leak...recently changed the expansion tank...now I have a leak right in front of the radiator 2008 BMW 750Li
Hello - there is an air bleed hose that runs across the top of the radiator (under a plastic cover) and into the expansion tank. There is a coolant level sensor, and a coolant transfer hose (expansion tank to the...
Question
How much to fix the parking break and abs
Your car is equipped with wheel speed sensors at each of the four wheels which monitor wheel speed while relaying this information simultaneously to the ABS and traction control system which are controlled by the car's ECU. When the ECU...
Question
How many hours does it take to replace a 2006 BMW 750li transmission
It takes "roughly" 8 hours but if you have the Xdrive version, add 2 hours. The cost depends on exactly what you want. A new transmission? A used transmission? A rebuilt transmission? The recommended approach is to install a rebuilt...

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